diff --git a/docker-app/qfieldcloud/subscription/models.py b/docker-app/qfieldcloud/subscription/models.py
index 9ba0404b9..3f8b1271c 100644
--- a/docker-app/qfieldcloud/subscription/models.py
+++ b/docker-app/qfieldcloud/subscription/models.py
@@ -582,6 +582,7 @@ def has_current_period(self) -> bool:
 
     @property
     def active_users(self):
+        "Returns the queryset of active users for running stripe billing period or None."
         if not self.account.user.is_organization:
             return None